| Parameter | Study group | Control group | |
| Number of patients, | 49 | 16 | | Female/male | 30/19 | 15/11 | 0,111 | Gender: female, (%) | 30 (61,2) | 15 (57,7) | Age (years; mean ± SD) | 44,04 ± 15,05 | 40,94 ± 13,60 | 0,514 | Body mass index (kg/m2, mean ± SD) | 29,09 ± 5,03 | 28,85 ± 4,39 | 0,858 | Smoker, (%) | 15 (30,6) | 5 (19,2) | 0,570 | Type 2 diabetes mellitus, (%) | 6 (12,2) | 6 (23,1) | 0,118 | Rheumatoid factor positivity, (%) | 4 (8,2) | — | <0,05 | Hypertension, (%) | 14 (28,6) | 3 (11,5) | 0,320 | Family history of varicosis (%) | 24 (49,0) | 4 (15,3) | 0,086 | Standing duration >8 hours, (%) | 42 (85,7) | 9 (34,6) | 0,001 | Birth number >1, (%) | 13 (26,4) | 3 (11,5) | 0,214 |
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